The turbocharged 2.0-liter four-cylinder comes from GM's deep powertrain bench, tuned for Camaro duty to a net 275 hp and 295 lb-ft of torque. GM quotes its performance at under 6.0 seconds to 60 mph. It's couple to either a Tremec six-speed manual or an eight-speed, paddle-shifted automatic. On the EPA highway cycle, Chevy estimates fuel economy at better than 30 miles per gallon.
Compared to the same application in the Cadillac sedans, this turbo four gets its own dual-exhaust system and active noise cancellation, mostly to address the big question posed by a four-cylinder Camaro: will fans and buyers warm to a small-displacement engine with a decidedly non-V-8 soundtrack? Add on an available Bose sound system, and four-cylinder Camaros also amplify some engine noises and pipe them into the cabin.
And while the manual shifter is closely related to its cousins at Caddy, it's staged differently, with tighter gear ratios but the same final-drive ratio. A seven-speed was discussed, but won't be adopted: both it, and a plug-in hybrid system that exist in the GM powertrain universe, simply won't fit in the new Camaro's tightly packaged body.